A 1.0 #regions in PPM
# low field   high field  bias        slope
  8.027807672109926  7.8856081803334215  -0.0  -0.0  # for region 1
  6.941920643998438  6.786793925696797  -0.0  -0.0  # for region 2
  3.916949637116437  3.7359684657645227  -0.0  -0.0  # for region 3
  3.3740061230606937  3.2059521782339155  -0.0  -0.0  # for region 4
  2.7405720233289923  2.494954719351394  -0.0  -0.0  # for region 5